如何通过小程序把手机当成麦克风？

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如何通过小程序把手机当成麦克风？How to use the mobile phone as a microphone through the applet?

What we hope to achieve: after getting the microphone permission, the microphone will remain on, collect the user's voice in real time, and play it out in real time through the mobile phone, which is equivalent to a speaker, and one side goes in and the other side goes out at the same time. After looking around the document, I found that it was either recorded or live. It doesn't need network streaming, just local processing of sound.

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